Get Full Government Meeting Transcripts, Videos, & Alerts Forever!
Get email alerts on the Work Zone Safety topic
No spam. Unsubscribe anytime.
Work‑zone alerts and wearables tested in Northern Virginia, researchers say; agencies weigh scale and connectivity challenges
Summary
Researchers and local agencies described demonstrations of work‑zone alerts, wearable devices and portable sensors that can warn workers and drivers; they said tests were successful but scaling across Virginia raises connectivity and funding questions.
Researchers from the Virginia Tech Transportation Institute (VTTI) and local project leads reported several pilot demonstrations that used vehicle‑to‑infrastructure and wearable technologies to improve work‑zone safety.
Mike Fontaine of the Virginia Transportation Research Council said a project with Virginia Tech and industry partners showed that work‑zone alerts can function, including an approach that used vehicle equipment to recognize officer hand signals and relay stop commands to equipped vehicles. “We showed that the work zone alerts work,” Fontaine said.
Panelists described commercial and research approaches that do not require fully equipped Level‑4 vehicles. Monica Backman and other staff described HAS Alert, a commercial system that integrates activated work‑vehicle light bars with navigation apps so alerts appear to drivers using Waze and in some OEM navigation systems.
Researchers also described an upstream speed‑sensor deployment at a high‑speed work zone on US‑250 where trucks were entering a 25 mph construction zone. A wireless system transmitted high‑speed‑vehicle alerts to worker vests so crews had earlier warning; VTTI also tested helmets and vests with small location devices tied to roadside units.
Speakers cautioned that several obstacles remain for statewide scaling: choice of communications method (local roadside units versus cellular networks), spectrum availability, cost of installing local units for the many possible work‑zone locations and limited cellular coverage in some rural areas. As one attendee summarized, the work‑zone use case requires coordination among road owners, vehicle manufacturers and communications providers.
Why it matters: Attendees said portable and low‑threshold approaches — such as Waze integration and wearable alarms — can provide near‑term safety benefits while longer‑term connected‑vehicle infrastructure and policy choices are decided.
No procurement decisions were made; participants encouraged continued piloting and prioritized use cases where the technology showed demonstrated benefit.
